| 摘要 |
An optical disc device records data on an optical disc by projecting a laser beam on the optical disc such that a linear density of the data becomes substantially constant. The optical disc device comprises velocity judging means, velocity changing means, recording velocity detecting means, and recording velocity transmitting means. The velocity judging means is for judging a recordable velocity for an optical recording medium inserted into the optical disc device. The velocity changing means is for changing a recording velocity designated from a host. The recording velocity detecting means is for detecting the recording velocity during a recording. The recording velocity transmitting means is for transmitting information concerning the detected recording velocity to the host.
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